27581905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 38253600

約数和(自身を除く): 10671695

約数列:

[1, 5, 13, 17, 65, 85, 109, 221, 229, 545, 1105, 1145, 1417, 1853, 2977, 3893, 7085, 9265, 14885, 19465, 24089, 24961, 50609, 120445, 124805, 253045, 324493, 424337, 1622465, 2121685, 5516381, 27581905]

約数ペア:

[(1, 27581905), (5, 5516381), (13, 2121685), (17, 1622465), (65, 424337), (85, 324493), (109, 253045), (221, 124805), (229, 120445), (545, 50609), (1105, 24961), (1145, 24089), (1417, 19465), (1853, 14885), (2977, 9265), (3893, 7085)]